Synthesis of Ti-Beta via mechanochemical route

被引：0
|
作者：
Salomon E. Borjas Garcia
Katsutoshi Yamamoto
Atsushi Muramatsu
机构：
[1] Tohoku University,Institute for Multidisciplinary Research of Advanced Materials
来源：
Journal of Materials Science | 2008年 / 43卷
关键词：
Hydrothermal Treatment; TBOT; Fluoride Anion; Mechanochemical Reaction; Allylic Oxidation;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A *BEA-type titanosilicate, Ti-Beta, has been synthesized by a new method using mechanochemical reaction. In this new synthesis method, titania and silica powders are used as source materials and ground by using a planetary ball mill. Thus obtained silica–titania composite is hydrothermally treated in the presence of tetraethylammonium fluoride as a structure-directing agent to obtain a Ti-Beta material. The titanosilicate samples obtained are characterized by powder X-ray diffractometry and UV–visible spectroscopy. The crystallization behaviors and the catalytic activities of Ti-Beta materials synthesized by this new method are compared with those synthesized conventionally from silicon and titanium alkoxides.
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页码：2367 / 2371
页数：4
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